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// **********************************************************************
//
// Copyright (c) 2003 - 2004
// ZeroC, Inc.
// North Palm Beach, FL, USA
//
// All Rights Reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************


#include <Ice/Direct.h>
#include <Ice/ObjectAdapterI.h> // For inc/decDirectCount().
#include <Ice/ServantManager.h>
#include <Ice/ServantLocator.h>
#include <Ice/Reference.h>
#include <Ice/Object.h>
#include <Ice/LocalException.h>

using namespace std;
using namespace Ice;
using namespace IceInternal;

IceInternal::Direct::Direct(const Current& current) :
    _current(current)
{
    ObjectAdapterI* adapter = dynamic_cast<ObjectAdapterI*>(_current.adapter.get());
    assert(adapter);

    //
    // Must call incDirectCount() first, because it checks for adapter
    // deactivation, and prevents deactivation completion until
    // decDirectCount() is called. This is important, because
    // getServantManager() may not be called afer deactivation
    // completion.
    //
    adapter->incDirectCount();

    ServantManagerPtr servantManager = adapter->getServantManager();
    assert(servantManager);

    try
    {
	_servant = servantManager->findServant(_current.id, _current.facet);
	
	if(!_servant && !_current.id.category.empty())
	{
	    _locator = servantManager->findServantLocator(_current.id.category);
	    if(_locator)
	    {
		_servant = _locator->locate(_current, _cookie);
	    }
	}
	
	if(!_servant)
	{
	    _locator = servantManager->findServantLocator("");
	    if(_locator)
	    {
		_servant = _locator->locate(_current, _cookie);
	    }
	}
	
	if(!_servant)
	{
	    if(servantManager->hasServant(_current.id))
	    {
		FacetNotExistException ex(__FILE__, __LINE__);
		ex.id = _current.id;
		ex.facet = _current.facet;
		ex.operation = _current.operation;
		throw ex;
	    }
	    else
	    {
		ObjectNotExistException ex(__FILE__, __LINE__);
		ex.id = _current.id;
		ex.facet = _current.facet;
		ex.operation = _current.operation;
		throw ex;
	    }
	}
    }
    catch(...)
    {
	if(_locator && _servant)
	{
	    try
	    {
		_locator->finished(_current, _servant, _cookie);
	    }
	    catch(...)
	    {
		adapter->decDirectCount();
		throw;
	    }
	}

	adapter->decDirectCount();
	throw;
    }
}

IceInternal::Direct::~Direct()
{
    ObjectAdapterI* adapter = dynamic_cast<ObjectAdapterI*>(_current.adapter.get());
    assert(adapter);

    if(_locator && _servant)
    {
	try
	{
	    _locator->finished(_current, _servant, _cookie);
	}
	catch(...)
	{
	    adapter->decDirectCount();
	    throw;
	}
    }

    adapter->decDirectCount();
}

const ObjectPtr&
IceInternal::Direct::servant()
{
    return _servant;
}